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Drupady [299]
3 years ago
11

What is the best definition of physics?

Chemistry
2 answers:
maria [59]3 years ago
4 0

Answer:

the study that deals with the structure of matter and how fundemantal constituets of the universe interact

Mkey [24]3 years ago
3 0

Answer:

c

Explanation:

in physics we will be studying about motion etc.so we need laws

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1 point If the boy is pushing with 50N of force and the static friction resistance is 70N of force, what will happen? *​
solniwko [45]
Nothing, he shouldn’t be able to move it. Think about it like this say you try really hard to push something that is 5,000 pounds and you push as hard as you can. Well you can’t move it bc it weighs more than you can push. I’m sure their is a equation you can use to see how much you can push (body weight=force?)
6 0
3 years ago
If the spin of one electron in an orbital is clockwise, what is the spin of the other electron in that orbital?
umka2103 [35]

Answer:

The other electron must have anticlockwise spin.

Explanation:

According to the pauli exclusion principle, the two elecrton present in same orbital must have opposite spin.

If the one electron is clockwise the other must be in anti clockwise direction. The clockwise direction is represented by the sign +1/2 while anti clockwise direction is represented by -1/2.

According the pauli principle, the two electrons must have different fourth electronic quantum number. The electron in same orbital have same first three quantum number i.e, n=1 l=0 and ml =0 in case of first subshell.

3 0
3 years ago
Silver nitrate and calcium chloride react to form calcium nitrate and silver chloride. Write the equation.
8090 [49]

Answer:

Explanation:

2AgNO3 + CaCl2 ----> 2AgCl +  Ca(NO3)2

6 0
4 years ago
If 38.6 grams of iron react with an excess of bromine gas, what mass of FeBr2 can form?
Yuki888 [10]

Answer:

›› FeBr2 molecular weight. Molar mass of FeBr2 = 215.653 g/mol. This compound is also known as Iron(II) Bromide. Convert grams FeBr2 to moles or moles FeBr2 to grams. Molecular weight calculation: 55.845 + 79.904*2 ›› Percent composition by element

Explanation:

5 0
3 years ago
Which of the following devices can measure only atmospheric pressure?        A. Pressure gauge   B. Barometer   C. Tire gauge  
Kamila [148]
B.) Barometer

Hope that helps :-)
8 0
3 years ago
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